Architecture linter for Go: import rules, tiers, deep-scan method calls and dependency injection — declared as code in a Go DSL spec (YAML legacy), checked on every CI run. Hexagonal/onion/DDD-friendly.
KOTVA — the sovereign substrate: a narrow-waist protocol family (identity, signed objects, transport, pub/sub, sync) with mail (DMTAP), commerce (TRACT) and work (WRAP) as profiles. No token.